Suspension isolation valves located at four corners of platform isolated (closed) (para. 2-6)
Unscrew four captive screws (1) and remove two covers (2) to junction boxes TB1 (3) and TB2 (4).
Using semitrailer electrical schematic (figure FO-1) as a guide, tag and disconnect W2 harness (5) from platform
junction box terminal boards TB1 (3) and TB2 (4).
Cut and remove tiedown straps from W2 harness (5) as required. Discard tiedown straps.
Remove W2 harness (5) from semitrailer.